Samsung Galaxy J4 2018 (SM-J400) How to into Download mode
In meny Solutions fix software for Samsung Smartphone for example Flash Firmware Solution, we need to put Samsung Mobile Phone into Download mode.
The teps are as follows:
Press and hold 2 keys Volume Down + Home + Conect Cable USB:
interval few seconds after this display:
Next Press Volume Up, Samsung Mobile phone will into Download mode.
2. Tools needed for Solutions Flash Firmware Samsung Mobile.
Please see detailed video How to into Download mode Samsung j4 2018:
How to into Download Mode Samsung Galaxy j6, J8 , j4 Plus